CVE-2025-21357

Name of the Vulnerable Software and Affected Versions Microsoft Outlook versions 2016 Microsoft Office versions 2019 through 2024

Description The issue allows remote attackers to execute arbitrary code and affect the system. It is reported that this issue has been patched by Microsoft with the aid of external researchers.

Recommendations For Microsoft Outlook version 2016, apply the patch provided by Microsoft. For Microsoft Office versions 2019 through 2024, apply the patch provided by Microsoft. As a temporary workaround, consider restricting access to potentially vulnerable components until a patch is applied.